ricin

[ rahy-sin, ris-in ]

/ ˈraɪ sɪn, ˈrɪs ɪn /

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noun Chemistry.

a white, poisonous, protein powder from the bean of the castor-oil plant.

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Origin of ricin

1895–1900; <New Latin Ricinus name of genus, Latin: castor-oil plant

Words nearby ricin

richt, Richter, Richter scale, Richthofen, richweed, ricin, ricinoleic, ricinoleic acid, ricinolein, ricinus oil, rick

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ricin in a sentence

Soligenix said in the filing that Emergent informed it of the error in January 2020 and that HHS then declined in April 2020 to provide further funding for clinical trials of the ricin vaccine.
Emergent plant that ruined Johnson & Johnson vaccine doses had prior FDA violations|Jon Swaine, Christopher Rowland|April 2, 2021|Washington Post
The Post also found that the mishandling of the Johnson & Johnson vaccine followed an allegation of another serious error by Emergent on a separate vaccine project for ricin involving the same Baltimore plant.
Emergent plant that ruined Johnson & Johnson vaccine doses had prior FDA violations|Jon Swaine, Christopher Rowland|April 2, 2021|Washington Post
Soligenix, a company partnering with Emergent to develop a vaccine against ricin poisoning, said in a securities filing last August that Emergent had supplied it with drugs that were out of specification.
Emergent plant that ruined Johnson & Johnson vaccine doses had prior FDA violations|Jon Swaine, Christopher Rowland|April 2, 2021|Washington Post
The Soligenix-Emergent project was funded by a $21 million contract with HHS, and Soligenix has said it hopes to supply the ricin vaccine to the Strategic National Stockpile.
Emergent plant that ruined Johnson & Johnson vaccine doses had prior FDA violations|Jon Swaine, Christopher Rowland|April 2, 2021|Washington Post

Walter returns to the house to retrieve the vile of ricin he hid there in the previous finale.
‘Breaking Bad’ and TV’s Five Most Shocking Flash-Forward Scenes|Kevin Fallon|August 12, 2013|DAILY BEAST
Jesse was relieved, and so was Walt—he had already concealed the real ricin capsule behind an electrical outlet in his bedroom.
‘Breaking Bad’: The 7 Plot Points You Need to Remember for the Final Season|Andrew Romano|August 8, 2013|DAILY BEAST
The signature of the ricin-laced envelope: “I am KC and I approve this message.”
Paul Kevin Curtis and J. Everett Dutschke: Epic Feud and Ricin Letters|Winston Ross|April 25, 2013|DAILY BEAST
Could a mind-boggling vendetta be behind the ricin letters sent to Obama and Wicker?
Paul Kevin Curtis and J. Everett Dutschke: Epic Feud and Ricin Letters|Winston Ross|April 25, 2013|DAILY BEAST
Kevin Curtis is nowhere near smart enough to figure out how to make ricin, she tells The Daily Beast.
Paul Kevin Curtis and J. Everett Dutschke: Epic Feud and Ricin Letters|Winston Ross|April 25, 2013|DAILY BEAST
By George, though, that Paoli must be a clever one—think of his knowing about ricin.
The Silent Bullet|Arthur B. Reeve

British Dictionary definitions for ricin

ricin

/ (ˈraɪsɪn, ˈrɪs-) /

noun

biochem a highly toxic protein, a lectin, derived from castor-oil seeds: used in experimental cancer therapy

Word Origin for ricin

C19: from New Latin Ricinus genus name, from Latin: castor-oil plant

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ricin

ricin

[ rī′sĭn, rĭs′ĭn ]

An extremely poisonous protein extracted from the castor bean. Ricin inhibits protein synthesis in cells, and is used as a biochemical reagent and in cancer research.